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Finding the Fourth Proportional to 101,234.21, 151,753.91 and 67,963.46

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Solution

The fourth proportional to 101,234.21, 151,753.91 and 67,963.46 is: 101,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,234.21 : 151,753.91 = 67,963.46 : x
  2. Step 2: Convert to fraction form
    101,234.21/151,753.91 = 67,963.46/x
  3. Step 3: Cross multiply
    101,234.21x = 151,753.91 × 67,963.46
  4. Step 4: Simplify right side
    101,234.21x = 10,313,719,693.54
  5. Step 5: Solve for x
    x = 10,313,719,693.54/101,234.21
  6. Step 6: Final answer
    x = 101,879.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.